223874 ⎘
Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication; Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form; Signal power control considering the whole optical path Systems with a repeater placed only at the beginning or the end of the system, i.e. repeaterless systems, e.g. systems with only post and pre-amplification
Raman amplifier pumped with residual power in an optical communication system
#2Optical amplification apparatus, method for controlling same, optical receiver station, and optical transmission system
#3Unrepeatered long haul optical fiber transmission systems
#4System and method for implementing a high capacity unrepeatered optical communication system
#5System and method for implementing a high capacity unrepeatered optical communication system
#6Optical transmission system
#7System and method for implementing a boosterless optical communication system
#8Label remover and label swapper using the same
#9Optical transmission system including repeatered and unrepeatered segments
#10Optical transmission system
#11Unrepeatered optical communication system with suppressed SBS